<template>
	<div class="xtx-dialog" v-show="visible" :class="{fade}">
		<div class="wrapper" :class="{fade}">
			<div class="header">
				<h3>{{title}}</h3>
				<a @click="close" href="JavaScript:;" class="iconfont icon-close-new"></a>
			</div>
			<div class="body">
				<!-- 对话框内容 -->
				<slot name="default"></slot>
			</div>
			<div class="footer">
				<slot name="footer"></slot>
			</div>
		</div>
	</div>
</template>

<script>
	import {
		ref,
		watch
	} from 'vue'

	export default {
		name: 'XtxDialog',

		props: {
			title: {
				type: String,
				default: ''
			},
			visible: {
				type: Boolean,
				default: false
			}
		},

		setup(props, {
			emit
		}) {
			const fade = ref(true)
			
			watch(() => props.visible, () => {
				setTimeout(() => {
					fade.value = props.visible
				}, 0)
			}, {
				immediate: true
			})
			
			const close = () => {
				emit('update:visible', false)
			}

			return {
				fade,
				close
			}
		}
	}
</script>

<style lang="less" scoped>
	.xtx-dialog {
		position: fixed;
		left: 0;
		top: 0;
		width: 100%;
		height: 100%;
		z-index: 11111;
		background: rgba(0, 0, 0, 0);

		&.fade {
			transition: all 0.4s;
			background: rgba(0, 0, 0, .5);
		}

		.wrapper {
			width: 600px;
			background: #fff;
			border-radius: 4px;
			position: absolute;
			top: 50%;
			left: 50%;
			transform: translate(-50%, -60%);
			opacity: 0;

			&.fade {
				transition: all 0.4s;
				transform: translate(-50%, -50%);
				opacity: 1;
			}

			.body {
				padding: 20px 40px;
				font-size: 16px;

				.icon-warning {
					color: @priceColor;
					margin-right: 3px;
					font-size: 16px;
				}
			}

			.footer {
				text-align: center;
				padding: 10px 0 30px 0;
			}

			.header {
				position: relative;
				height: 70px;
				line-height: 70px;
				padding: 0 20px;
				border-bottom: 1px solid #f5f5f5;

				h3 {
					font-weight: normal;
					font-size: 18px;
				}

				a {
					position: absolute;
					right: 25px;
					top: 25px;
					font-size: 24px;
					width: 20px;
					height: 20px;
					line-height: 20px;
					text-align: center;
					color: #999;

					&:hover {
						color: #666;
					}
				}
			}
		}
	}
</style>
